Jacobsite
      Lucchesi S, Russo U, Della Giusta A
      European Journal of Mineralogy 9 (1997) 31-42
      Crystal chemistry and cation distribution in some
      Mn-rich natural and synthetic spinels
      Sample: JBS4
      _database_code_amcsd 0006640

      CELL PARAMETERS:    8.4956   8.4956   8.4956   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    613.172
      Density (g/cm3):      4.895
      MAX. ABS. INTENSITY / VOLUME**2:      76.49524363    
      RIR:      5.088
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.09         13.99        4.9049    1   1   1         8
                29.74         29.11        3.0036    2   2   0        12
                35.03        100.00        2.5615    3   1   1        24
                36.64          8.44        2.4525    2   2   2         8
                42.57         22.21        2.1239    4   0   0         6
                52.79          8.79        1.7342    4   2   2        24
                56.27         28.67        1.6350    5   1   1        24
                56.27          5.00        1.6350    3   3   3         8
                61.77         41.17        1.5018    4   4   0        12
                64.94          1.57        1.4360    5   3   1        48
                70.05          2.90        1.3433    6   2   0        24
                73.03          8.30        1.2956    5   3   3        24
                74.02          4.14        1.2808    6   2   2        24
                77.91          2.64        1.2262    4   4   4         8
                85.54          3.57        1.1353    6   4   2        48
                88.38          6.67        1.1060    7   3   1        48
                88.38          5.53        1.1060    5   5   3        24
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.